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#!/bin/sh
# Verify that tail works even when it's reading from a file
# that is not at its beginning. Based on a report from John Roll.
if test "$VERBOSE" = yes; then
set -x
tail --version
fi
pwd=`pwd`
tmp=tail-mid.$$
trap 'status=$?; cd $pwd; rm -rf $tmp && exit $status' 0
trap '(exit $?); exit' 1 2 13 15
framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1
(echo 1; echo 2) > k || framework_failure=1
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
fail=0
sh -c 'read x; tail' < k > out || fail=1
cat <<EOF > exp
2
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
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